<?php
require_once("base_connector.php");
/*! DataItem class for Combo component
**/

class ComboDataItem extends DataItem{
	private $selected;//!< flag of selected option
	/*! constructor
		
		@param id 
			record id
		@param data 
			hash of data
		@param name
			names of fields
		@param index
			index of current record
	*/	
	function __construct($data,$config,$index){
		parent::__construct($data,$config,$index);
		
		$this->selected=false;
	}
	/*! mark option as selected
	*/
	function select(){
		$this->selected=true;
	}
	/*! return self as XML string
	*/
	function to_xml_start(){
		if ($this->skip) return "";
		
		return "<option ".($this->selected?"selected='true'":"")."value='".$this->get_id()."'><![CDATA[".$this->data[$this->config->text[0]["name"]]."]]>";
	}
	function to_xml_end(){
		if ($this->skip) return "";
		return "</option>";
	}
}
class ComboConnector extends Connector{
	private $filter,$position;

	public function __construct($res,$type=false,$item_type=false,$data_type=false){
		if (!$item_type) $item_type="ComboDataItem";
		parent::__construct($res,$type,$item_type,$data_type);
	}	
	
	//parse GET scoope, all operations with incoming request must be done here
	function parse_request(){
		parent::parse_request();
		
		if (isset($_GET["pos"])){
			if (!$this->dload)	//not critical, so just write a log message
				LogMaster::log("Dyn loading request received, but server side was not configured to process dyn. loading. ");
			else
				$this->request->set_limit($_GET["pos"],$this->dload);
		}
			
		if (isset($_GET["mask"]))
			$this->request->set_filter($this->config->text[0]["name"],$_GET["mask"]."%","LIKE");
			
		LogMaster::log($this->request);
	}
	
	
	
	public function xml_start(){
		if ($this->request->get_start())
			return "<complete add='true'>";
		else
			return "<complete>";
	}
	
	public function xml_end(){
		return "</complete>";
	}		
}
?>